Prove that Sin² (120-A)+Sin² A+Sin² (120^ +A)= 3/ 2
Answers
Answered by
0
Answer:
Sin²a+sin²(a+120)+sin²(a-120)=3/ 2. 2. See answers ... How do I prove that 2 cos 2A + sin ^ 2 2A + 4 sin^4 A=2? How do I prove that ...
Similar questions